[D7903ZEH], Letter from Mackinnon (D.) & Co to Thomas Alva Edison, May 27th, 1879

https://edisondigital.rutgers.edu/document/D7903ZEH

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Title

[D7903ZEH], Letter from Mackinnon (D.) & Co to Thomas Alva Edison, May 27th, 1879

Editor's Notes

Hears TAE has alloyed iridium with platinum. Possible to get it as hard as steel? If so please send sample. TAE marg: "Can't get plat irid hard as steel. Iridiosmium I can give you name of a party who can supply you with all you want."

Mentioned

Date

1879-05-27

Decade

1870-1879

Type

Folder/Volume ID

D7903-F

Microfilm ID

49:245

Document ID

D7903ZEH

Publisher

Thomas A. Edison Papers, School of Arts and Sciences, Rutgers University
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